GE Logiq P5 User Manual

							Vascular Worksheet
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Examiner’s Comments
To type a comment on a worksheet:
1. Select Examiner’s Comments.
The Examiner’s Comments window opens.
2.  Type comments about the exam.
3.  To close the Examiner’s Comments window, select 
Examiner’s Comments.
 Figure 11-19. Examiner’s comment field 
						

							Vascular
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Intravessel ratio
To calculate Intravessel ratio, you need a measurement of 
accessing pressure and stenotic velocities.
1. Select Intravessel to display the pop-up window in the 
header section of the worksheet.
 Figure 11-20. Intravessel Pop-up Window
2.  Select the first velocity. 
The value is displayed in the window.
 Figure 11-21. Intravessel ratio one 
						

							Vascular Worksheet
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Intravessel ratio (continued)
3.  Select the second velocity.
The second value and Result value are displayed in the 
window.
 Figure 11-22. Intravessel ratio two
•  To save the Intravessel ratio to the Vessel Summary, move 
the cursor to Save and press Set.
•  To clear values, move the cursor to Clear and press Set.
•  To cancel and exit Intravessel ratio, move the cursor to 
Cancel and press Set.
NOTE:  Intravessel Ratio is only displayed and saved in the Vessel 
Summary. 
						

							Vascular
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Vessel Summary
The Vessel Summary is designed to automatically display 
measurements made at specific anatomical sites. Calculated 
ratios are automatically summarized and displayed.
The Vessel Summary can be displayed at any time during the 
exam by selecting Vessel Summary from the Vascular 
Worksheet Touch Panel.
 Figure 11-23. Vessel Summary Example 
						

							Vascular Worksheet
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Vessel Summary (continued)
1.  The first row, indicating Right or Left, is not displayed when 
the side is not defined in the vessel.  In the third column on 
the second line, you select the calculations.  Move the 
cursor to the third column, and the pop-up menu is 
displayed as in Figure 11-24. The selected parameter is 
displayed in every third column.
 Figure 11-24. Pop-up menu
2.  Vessel Name with location information.
3.  Check Box. Use to select the vessel velocity for calculating 
the vessel ratio (ex. ICA/CCA). You can only select one 
location (position) in a vessel.
4.  Result value column. This value cannot be changed or 
excluded from this page.
5.  Calculation name and result. ICA/CCA: The ICA/CCA ratio 
selects the highest systolic ICA and CCA velocities when 
calculating this ratio, and displays the velocities. 
						

							Vascular
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Carotid Study
In the configuration page for ICA/CCA ratio, you can specify 
which portion of the CCA vessel (Prox, mid, distal) is chosen. 
You can override the selections on the Vessel summary.
The ICA/CCA ratio is able to be configured for either systole or 
diastole.
The vertebral vessel also has systole and diastole selections. In 
the summary page, there is a box to select flow reversal for 
vertebral flows. The choices are Ante (Antegrade), Retr 
(Retrograde), and Abs (Absent).
To select the method: 
Move cursor to the box and press Set. After the pop-up menu 
(Blank, Ante, Retr, Abs) is displayed, select from a menu of 
choices. The selected choice is displayed in the column.
The box is independent of Left and Right.
Renal Artery Study
For renal arteries, you can calculate RENAL/AORTIC ratio 
(RAR) based on peak systolic velocities. 
You can combine the two renal summary pages, and have a 
heading to separate the different measurements (main renal, 
intra renal). You can scroll between the content. The most 
commonly used, the main renal artery, is the default.
Lower Extremity Artery Study
For the lower extremity artery, you need an intra vessel ratio 
(assessing pre vs. stenotic velocities). You can specify which 
(ratio is stenotic/pre).
The intra-vessel ratio needs to be available for all vascular 
measurements. This appears on the worksheet only if used.
Recording Worksheet
The worksheet can be saved as you would any ultrasound 
image. Once it is displayed on the screen, it can be recorded on 
the VCR, printed on the B/W or color page printer, stored on a 
CD-RW with the Image Archive option, or placed on regular 
paper with a line printer. 
						

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Chapter 12
Urology
Describes how to perform Urology measurements and 
calculations. 
						

							Urology
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Chapter 13
Pediatrics
Describes how to perform Pediatrics measurements 
and calculations. 
						

							Pediatrics
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Pediatrics Exam Preparation
Introduction
Measurements and calculations derived from ultrasound images 
are intended to supplement other clinical procedures available 
to the attending physician. The accuracy of measurements is not 
only determined by the system accuracy, but also by use of 
proper medical protocols by the user. When appropriate, be sure 
to note any protocols associated with a particular measurement 
or calculation. Formulas and databases used within the system 
software that are associated with specific investigators are so 
noted. Be sure to refer to the original article describing the 
investigators recommended clinical procedures.
General Guidelines
New Patient information must be entered before beginning an 
exam. See ‘Beginning an Exam’ for more information.
Any measurement can be repeated by selecting that 
measurement again from the Touch Panel Menu.
The system retains as many as eight measurements, but the 
worksheet retains only the last six measurements of each type.
The three report page measurements can be averaged and the 
average used in other calculations.